import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.*;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class shiLi6 {
    public static void main(String[] args) {
        try{

            DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();

            DocumentBuilder db  = dbf.newDocumentBuilder();

            Document doc  = db.parse("src/shiLi1.xml");

            NodeList list = doc.getElementsByTagName("Brand");
            for (int i = 0; i < list.getLength(); i++) {
                Element brandElement = (Element) list.item(i);
                String brandName = brandElement.getAttribute("name");
                if (brandName.equals("SANSYNG")) {
                   brandElement.getParentNode().removeChild(brandElement);
                }
            }
            //保存XML文件
            TransformerFactory transformerFactory = TransformerFactory.newInstance();
            Transformer transformer = transformerFactory.newTransformer();

            DOMSource domSource = new DOMSource(doc);
            //设置编码类型
            transformer.setOutputProperty(OutputKeys.ENCODING,"UTF-8");

            StreamResult result = new StreamResult(new FileOutputStream("src/shiLi1.xml"));
            //把DOM树转换为XML文件
            transformer.transform(domSource,result);
        } catch (TransformerConfigurationException e) {
            e.printStackTrace();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (ParserConfigurationException e) {
            e.printStackTrace();
        } catch (IOException exception) {
            exception.printStackTrace();
        } catch (TransformerException e) {
            e.printStackTrace();
        } catch (SAXException e) {
            e.printStackTrace();
        }
    }
}
